package com.xie.backend.service.Imp.user.account;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;

import com.xie.backend.mapper.UserMapper;
import com.xie.backend.pojo.User;
import com.xie.backend.service.user.account.RegisterService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.stereotype.Service;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * @作者：xie
 * @时间：2022/11/7 15:08
 */
@Service
public class RegisterServiceImpl implements RegisterService {
    @Autowired
    private UserMapper userMapper;

    @Autowired
    private PasswordEncoder passwordEncoder;
    @Override
    public Map<String, String> register(String username, String password, String confirmedPassword) {

        HashMap<String, String> map = new HashMap<>();
        if(username == null){
            map.put("error_message","用户名为空");
            return map;
        }

        if(password == null || confirmedPassword == null) {
            map.put("error_message","密码不能为空");
            return map;
        }
        //删除制表符，空格
        username = username.trim();
        if(username.length() == 0) {
            map.put("error_message","用户名不能为空");
            return map;
        }

        if(password.length() == 0 || confirmedPassword.length()==0) {
            map.put("error_message","密码不能为空");
            return map;
        }


        if(username.length() > 100 ){
            map.put("error_message","用户名长度不能大于100");
            return map;
        }

        if(password.length() > 100 || confirmedPassword.length()>100){
            map.put("error_message","密码长度不能大于100");
            return map;
        }

        if(!password.equals(confirmedPassword)) {
            map.put("error_message","两次输入的密码不一致");
            return map;
        }

        QueryWrapper<User> queryWrapper = new QueryWrapper<>();
        queryWrapper.eq("username" , username);
        List<User> users = userMapper.selectList(queryWrapper);
        if(!users.isEmpty()){
            map.put("error_message","用户名已存在");
            return map;
        }

        String encodePassword = passwordEncoder.encode(password);
        String photo = "https://cdn.acwing.com/media/user/profile/photo/245919_lg_d984357855.jpg";
        User user = new User(null,username,encodePassword,photo);
        userMapper.insert(user);
        map.put("error_message","success");
        return map;
    }
}

